<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>03走一走</title>
</head>

<body>
    <!-- 点击按钮, 改变3个li的顺序, 在头上的就到末尾. -->
    <div id="app">
        <ul>
            <li v-for="(item, index) in list" >
                {{ item }}
            </li>
        </ul>
        <button @click="changeOrder">走一走</button>
    </div>

    <script src="../vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                list: ['美女', '帅哥', '程序猿']
            },
            methods: {
                changeOrder() {
                    this.list.push(this.list.shift())
                }
            }
        })
    </script>
</body>

</html>